Laminar Water Wave and Current Passing Over Porous Bed
Publication: Journal of Engineering Mechanics
Volume 129, Issue 6
Abstract
The problem of the dynamic interaction of water waves, current, and a hard poroelastic bed is dealt with in this study. Finite-depth homogeneous water with harmonic linear water waves passing over a semi-infinite poroelastic bed is investigated. In order to reveal the importance of viscous effect for different bed forms, viscosity of water is considered herein. In a boundary layer correction approach, the governing equations of the poroelastic material are decoupled without losing physical generality. The contribution of pressure effect and shear effect to the hard poroelastic bed, which is a valuable indication to the mechanism of ripple formation, is clarified in the present study. This approach will be helpful in saving time and storage capacity when it is applied to numerical computation.
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Information
Published In
Journal of Engineering Mechanics
Volume 129 • Issue 6 • June 2003
Pages: 655 - 664
Copyright
Copyright © 2003 American Society of Civil Engineers.
History
Received: Aug 27, 2001
Accepted: Oct 29, 2002
Published online: May 15, 2003
Published in print: Jun 2003
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